# db\_close() ## db\_close() ``` <pre class="calibre11">``` db_close($db = NULL) ``` ``` #### 【功能】 关闭 DB 连接。 #### 【参数】 ``` <pre class="calibre11">``` $db：DB 实例 ``` ``` #### 【用例】 ``` <pre class="calibre11">``` <?php $dbconf = array ( 'type' => 'pdo_mysql', 'pdo_mysql' => array ( 'master' => array ( 'host' => 'localhost', 'user' => 'root', 'password' => 'root', 'name' => 'test', 'tablepre' => 'bbs_', 'charset' => 'utf8', 'engine' => 'innodb', ), 'slaves' => array (), ), ); include './xiunophp/xiunophp.php'; $newdb = db_new($dbconf); db_close($newdb); ?> ``` ```